Melissa Greenberg, MPAS, PA-C
NPI 1083956189 · Physician Assistant · Johnston, RI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Greenberg, MPAS, PA-C is a Physician Assistant provider in Johnston, RI (NPI 1083956189).
Provider details
- NPI number
- 1083956189
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPAS, PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA9107154 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
882 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 188 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 157 | $109 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 128 | $34 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 99 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 80 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 214 | 195 |
| Prednisone | 192 | 172 |
| Doxycycline Monohydrate | 101 | 97 |
| Amoxicillin | 83 | 82 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 78 | 70 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 73 | 64 |
| Cyclobenzaprine Hcl | 66 | 65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-27
- Last updated
- 2016-05-03
Frequently asked questions
- What is Melissa Greenberg's NPI number?
- Melissa Greenberg's National Provider Identifier (NPI) is 1083956189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Greenberg's specialty?
- Melissa Greenberg is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Greenberg located?
- Melissa Greenberg's practice location on file with NPPES is 1526 Atwood Ave, Johnston, RI 02919-3289.
- What is Melissa Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Melissa Greenberg is (401) 273-9400.
- Does Melissa Greenberg accept Medicare?
- Melissa Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Greenberg's NPI active?
- Yes — Melissa Greenberg's NPI (1083956189) is active in the NPPES registry as of the last update on 2016-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.